MEDC DB7 Sounder, Intrinsically Safe (Exia), weather-proof - up to 110 dB(A)


The MEDC DB7 is a ruggedized, Intrinsically Safe and weather-proof Sounder, that is designed for use in potentially explosive atmospheres. The DB7 has been designed with high ingress protection to cope with demanding environmental conditions to be found onshore and offshore in oil, gas and petrochemical industries.

This MEDC Sounder is available in 12V and 24V versions and for gas groups IIB or IIC. And
a lower cost, uncertified version is available for use in non-explosive atmospheres.

MEDC DB7 Sounder, Intrinsically Safe (Exia), weather-proof - up to 110 dB(A)

Please contact us for more information.
Weather-proof uncertified version
Zones 0, 1, 2 and safe area use
Corrosion resistant red painted GRP
Up to 110 dB(A) output
27 tones, user selectable
Tones comply with UKOOA/PFEER guidelines
Any 2 tones may be switched by the external voltage supply
Retained stainless steel cover screws.
Options: Certification, body color,
duty & tag labels, voltages 12V-24V dc
Material: UV stable glass reinforced polyester
Retained stainless steel cover screws
Finish: Painted red as standard or
to customer’s specification
Ingress Protection: IP66 & IP67
Certified ambient temperature: -55°C to +70°C
No. of tones: 27
Voltage: 12V or 24V via suitable barrier
Weight: 1.0kg
Area classification: Zones 0, 1, 2 and safe area use
Intrinsically Safe: ATEX Ex II 1G
Exia IIB/IIC T4
Certifications: ATEX EEx ia:
Cert. no. BAS00ATEX1260X. (Apparatus)
Cert. no. 96D2362. (System)
Certified to: EN50014, EN50020, EN50039
Ex II 1G, EEx ia IIC T4
Ex II 1G, EEx ia IIB T4
CUTR EEx ia: 0Ex ia IIC T4
0Ex ia IIB T4
Russian Fire Approved